Headphone



FIG. 1 is a front side perspective view of a headphone;

FIG. 2 is a front elevational view of the headphone;

FIG. 3 is a right side elevational view of the headphone;

FIG. 4 is an enlarged partial view of the headphone taken from FIG. 1;

FIG. 5 is an enlarged partial view of the headphone;

FIG. 6 is an enlarged partial view of the headphone taken from FIG. 2;

FIG. 7 is an enlarged partial view of the headphone taken from FIG. 3;

FIG. 8 is an enlarged partial end view of the headphone taken along line 8-8 of FIG. 7; and,

FIG. 9 is a reference enlarged partial end view of the headphone taken along line 8-8 of FIG. 7, wherein an earphone cord is omitted.

Portions of the drawings shown in broken lines form no part of the claimed design. 

CLAIM We claim the ornamental design for a headphone, as shown and described. 